凸起按钮的配置

凸起按钮的配置

 

 

凸起按钮的配置

 

 

import ‘package:flutter/material.dart‘;
import ‘tabs/Home.dart‘;
import ‘tabs/Setting.dart‘;
import ‘tabs/Category.dart‘;

class Tabs extends StatefulWidget {
  Tabs({Key? key}) : super(key: key);

  @override
  _TabsState createState() => _TabsState();
}

class _TabsState extends State<Tabs> {
  int _currentIndex = 0;

  List _pageList = [
    HomePage(),
    CategoryPage(),
    SeetingPage(),
  ];
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("flutter  Demo"),
      ),
      floatingActionButton: Container(
        height: 80,
        width: 80,
        padding: EdgeInsets.all(8),
        margin: EdgeInsets.only(top: 10),
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(40),
          color: Colors.white,
        ),
        child: FloatingActionButton(
          child: Icon(
            Icons.add,
            color: Colors.white,
            size: 40,
          ),
          onPressed: () {
            setState(() {
              this._currentIndex = 1;
            });
          },
          backgroundColor: this._currentIndex == 1 ? Colors.red : Colors.yellow,
        ),
      ),
      floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
      body: this._pageList[this._currentIndex],
      bottomNavigationBar: BottomNavigationBar(
        currentIndex: this._currentIndex, // 配置选中的索引
        onTap: (int index) {
          // print(index);
          setState(() {
            this._currentIndex = index;
          });
        },
        iconSize: 36.0, // 设置图标大小
        fixedColor: Colors.red, // 选中的颜色
        type: BottomNavigationBarType.fixed, // 配置底部tabs 可以有多个按钮
        items: [
          BottomNavigationBarItem(
            icon: Icon(Icons.home),
            title: Text("首页"),
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.category),
            title: Text("分类"),
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.settings),
            title: Text("设置"),
          ),
        ],
      ),
      drawer: Drawer(
        child: Column(
          children: [
            Row(
              children: [
                Expanded(
                  child: UserAccountsDrawerHeader(
                    accountName: Text("Eric"),
                    accountEmail: Text("12@qw.com"),
                    currentAccountPicture: CircleAvatar(
                      backgroundImage: NetworkImage(
                          "https://www.itying.com/images/flutter/3.png"),
                    ),
                    decoration: BoxDecoration(
                      image: DecorationImage(
                        image: NetworkImage(
                            "https://www.itying.com/images/flutter/2.png"),
                        fit: BoxFit.cover,
                      ),
                    ),
                    otherAccountsPictures: [
                      Image.network(
                          "https://www.itying.com/images/flutter/4.png"),
                      Image.network(
                          "https://www.itying.com/images/flutter/5.png"),
                      Image.network(
                          "https://www.itying.com/images/flutter/6.png"),
                      Image.network(
                          "https://www.itying.com/images/flutter/2.png")
                    ],
                  ),
                ),
              ],
            ),
            ListTile(
              leading: CircleAvatar(
                child: Icon(Icons.home),
              ),
              title: Text("我的空间"),
            ),
            Divider(),
            ListTile(
                leading: CircleAvatar(
                  child: Icon(Icons.people),
                ),
                title: Text("用户中心"),
                onTap: () {
                  Navigator.of(context).pop(); // 隐藏侧边栏
                  Navigator.pushNamed(context, ‘/user‘);
                }),
            Divider(),
            ListTile(
              leading: CircleAvatar(
                child: Icon(Icons.settings),
              ),
              title: Text("设置中心"),
            ),
            Divider(),
          ],
        ),
      ),
      endDrawer: Drawer(
        child: Text(‘你好‘),
      ),
    );
  }
}

凸起按钮的配置

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